Amplifier Board, Yeeco DC 12V 35W+35W Digital Audio Power Amplifier Board 2.0 Dual-Channel Stereo Amp Board Amplify Module for 20W-120W Floor Speakers Bookshelf Speakers 35W+35W Micro Audio Stereo Power Amplifier Board; DC 9-15V/ 50-100W power supply;20Hz-20KHz; Dimention:60*56*50mm 2.0 Dual-channel digital amplifier supports 4-8ohm 20-120W 3-10 inch bookshelf speakers or floor speakers The power supply input and the audio output are both with terminal blocks, easy to install without welding Blue LED for monitoring working status; 4700uf filter capacitor provides sufficient power to the amp board Audio input adopts 3.5mm universal stereo jack, easily connect the amplifier board to Phone/Computer/MP3/IPad